@book{17883,
	author = {Mannings, Robin},
	title = {Ubiquitous positioning},
	publisher = {Artech House,},
	year = {c2008},
	series = {Mobile comunications series},
	address = {Boston :},
	note = {Description based on print version record},
	url = {http://www.netlibrary.com.libraryumpsa.idm.oclc.org/urlapi.asp?action=summary&v=1&bookid=284266}
}